*{
    margin: 0;
    padding: 0;
}
.body .context {
    flex: 1;
    background: #f0f2f5;
    height: 150%;
}
#nav {
    width: 300px;
    height:750px;
    background: #000000;
}
thead{
    background: #168abd;
    color: #ffffff;
}
thead th{
    text-align: center;
}
.context-middle span {
    width: 180px;
    height: 20px;
    font-size: 14px;
    color: #00000072;
    display: inline-block;
    position: absolute;
    left: -40px;
    top: 15px;
}
.context-body {
    width: 98%;
    height: 90%;
    margin: 10px auto;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}
.body .nav {
    width: 250px;
    background: #001529;
    height: 150%;
}
#header{
    height: 80px;
    display: flex;
    justify-content: space-around;
    position: relative;
    margin-top: 10px;
}
#header input{
    width: 109px;
    height: 32px;
    border-radius: 4px;
    background: #ffffff;
    border-color: rgba(217, 217, 217, 1);
    box-shadow: none;
    border-width: 1px;
    margin-top: 22px;
    font-size: 14px;
    text-align: center;
}
#header div{
    font-size: 14px;
    color: #000000D8;
    margin-top: 30px;
}
#header button{
    background: #1890ff;
    width: 93px;
    height: 29px;
    border-radius:5px;
    color: #ffffff;
    border: none;
    margin-top: 22px;
}
.receiving{
    width: 1100px;
    height: 60px;
    margin: 0 auto;
    position: absolute;
    top: 50px;
    border-bottom: 1px solid #1890ff;
}
.btn{
    width: 114px;
    height: 40px;
    margin-top: 5px;
    padding: 0;
    line-height: 40px;
}
.table{
    margin-top: 60px;
    font-size: 16px;
}